| Date | IP Address |
| 2021-08-03 | 54.230.17.8 (ClassC) |
| 2021-08-03 | 54.230.17.93 (ClassC) |
| 2021-08-03 | 54.230.17.150 (ClassC) |
| 2021-08-03 | 54.230.17.206 (ClassC) |
| 2021-08-04 | 65.8.48.79 (ClassC) |
| 2021-08-04 | 65.8.48.126 (ClassC) |
| 2021-08-04 | 65.8.48.64 (ClassC) |
| 2021-08-04 | 65.8.48.74 (ClassC) |
| 2025-08-14 | 18.161.6.11 (ClassC) |
| 2025-11-20 | 18.161.6.100 (ClassC) |
| Date | Domain | IP |
| app1.madison.upwork.schemaware.io | 2024-06-14 | 99.84.66.97 |
| app2.madison.upwork.schemaware.io | 2024-05-10 | 204.246.191.49 |
| auth.madison.upwork.schemaware.io | 2025-01-09 | 13.224.14.30 |
| app.madison.upwork.schemaware.io | 2021-08-03 | 54.230.17.150 |